Tiotropium bromide impurity 05
[CAS 28748-67-6]

Identification

• Name: Tiotropium bromide impurity 05
• Synonyms: Methyl 2-hydroxy-2-(thiophen-2-yl)-2-(thiophen-3-yl)acetate
• Molecular Formula: C₁₁H₁₀O₃S₂
• Molecular Weight: 254.33
• CAS Registry Number: 28748-67-6
• SMILES: COC(=O)C(C1=CSC=C1)(C2=CC=CS2)O

Properties

• Density: 1.4±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.624, Calc.^*
• Boiling Point: 406.5±40.0 °C (760 mmHg), Calc.^*
• Flash Point: 199.6±27.3 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H302-H315-H319-H335
• Safety Statements: P261-P280-P301+P312-P302+P352-P305+P351+P338